/Engine/Source/Editor/BlueprintGraph/Classes/K2Node_Variable.h
Creates a reader or writer pin for a variable from an old pin.
true if it succeeds, false if it fails.
bool RecreatePinForVariable ( EEdGraphPinDirection Direction, [TArray](API\Runtime\Core\Containers\TArray)< [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * > & OldPins, [FName](API\Runtime\Core\UObject\FName) InPinName )